here to explain is fox news judge andrew napolitano. he was finally read his miranda rights. you have to do that within 48 hours? >> theoretically miranda rights should be read immediately as soon as the person is in custody, before you ask him any questions. we don't know exactly what's happened, we'll find out, but the government told us it did not read him his miranda rights, interrogated him for intelligence, not law enforcement purposes. this is highly controversial and could affect the government's case. but at some point in that interrogation which only lasted a few hours, which apparently consisted of him writing answers because he can't speak due to the injury to his throat. at some point in that interrogation, agents, professional interrogators decided we're not going to get anywhere or we've already learned everything we can learn from him. they also have on their shoulder, breathing down their neck, so to speak, a federal rule of procedure which requires he be charged with something within 48 hours. otherwise they have to let him go. they did charge him with this